If it has PROCESSING or PENDING status, it is considered timely filed by the IRS- it will look at the time you submitted (transmitted) the returns, so you will not be assessed penalties for late filings. However, you want to continue to check the status to make sure it gets ACCEPTED. If there are any errors, you get a window for correction (usually a few days to a week)- if they are are not corrected, the filing would be considered late at that point.
You should not resubmit or file paper copies at this point, because they will be duplicate submissions. You also cannot cancel a submission once it has been filed.
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